Percona

JUNE 28, 2023

C It fails, as it should. C It fails? Minimize unexpected downtime and data loss with a highly available, open source MySQL clustering solution. Download Percona XtraDB Cluster today With dbdeployer, this will translate to: $./sandboxes/pxc_msb_8_0_31/node1/stop Nightmare ensues We are a few days later.

C++ 76

C++ Open Source Servers Monitoring 76

Testsigma

APRIL 23, 2021

Appium: Appium is one of the most preferred testing tools, especially by the open-source community. It also supports the testing of native, hybrid, and mobile web apps across various programming languages like Java, Ruby, C#, Javascript, PHP, Python. Being open-source, it also has a rich community! .

Testing Tools 86

Testing Tools Mobile Testing Open Source 86

Percona

JUNE 15, 2023

The reason might be application requirements, compatibility issues, or MySQL bug fixes, or we want the same MySQL version to be installed on all database instances in the cluster, regardless of what actually is the latest version available. Download specific Percona Server for MySQL 8 tarball packages and install them manually.

Servers 82

Servers C++ Database Systems 82

Percona

JANUARY 25, 2023

sudo grep Schema: /var/lib/mysql/mysql-slow.log| awk -F' ' '{print $4 $5}' | sort | uniq -c 2717 Schema:mytestdb 123 Schema:percona 762238 Schema:sbtest Example for 8.0 But the statistics in the INFORMATION_SCHEMA.CLIENT_STATISTICS table are available only from the last MySQL service restart. quarterly or semi-annually).

Database 93

Database C++ Servers Open Source 93

Percona

APRIL 17, 2023

Preparing Datadog side: You can find a complete list of Available Datadog agents for different OS inside the user account. DD_SITE="datadoghq.eu" bash -c "$(curl -L [link] After execution, I can see the logs of Datadog agent installation and configuration and at the end: Installed: datadog-agent.x86_64 1:7.43.1-1 1 Complete!

Monitoring 69

Monitoring Metrics Database Open Source 69

Testlodge

MARCH 15, 2023

White Box Testing Tools Coverage and Path Testing Tools The following tools are generally open source and historically would have been downloaded and installed in a development or testing environment. Many tools are available, and again, your choice will depend on your code’s language.

Testing 83

Testing Testing Tools Java Programming 83

Percona

SEPTEMBER 13, 2018

The tools and techniques explained here apply to the other MySQL compatible services available under Amazon Aurora. Download the slow log(s) that match the time that you are interested to investigate, and optionally concatenate them. Run pt-query-digest on the downloaded logs and check the results. Download the log file.

C++ 42

C++ AWS Open Source Testing 42

HammerDB

MAY 5, 2019

Note that the main developer of HammerDB is Intel employee (#IAMINTEL) however HammerDB is a personal open source project and HammerDB has no optimization whatsoever for a database running on any particular architecture. I downloaded and installed the pre-built Linux binary from here : mysql-8.0.16-linux-glibc2.12-x86_64.

Testing 48

Testing Tuning Latency Storage 48

HammerDB

JUNE 27, 2022

These factors meant that often when looking for database performance information, the results for a particular combination of software and hardware were not available. Given the increasing importance of open source and the widespread use of HammerDB, the TPC adopted HammerDB in 2019 and now hosts the project on GitHub.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

HammerDB

MAY 26, 2022

Do you need to build from source? Before building from source, the first question should be, do you need to? HammerDB already provides pre-compiled packages from the download page so if you want to run HammerDB without building it then these packages are all you need. WHY build from source? Download HAMMERDB SOURCE.

C++ 113

C++ Database Open Source Servers 113

Percona

APRIL 3, 2023

Below are some of the upgrade options available to upgrade to PG11 or above. oid_test" SET WITHOUT OIDS; ALTER TABLE postgres=# c abs_test You are now connected to database "abs_test" as user "postgres". Pg_dump and pg_restore: We can refer to PostgreSQL Upgrade Using pg_dump/pg_restore on dump/restore methods. ALTER TABLE "public"."oid_test"

C++ 98

C++ Database Cache Storage 98

Percona

MARCH 28, 2023

wt list -c WiredTigerCheckpoint.33: 33: Sun Mar 26 08:35:59 2022 (size 8 KB) file-size: 8 KB, checkpoint-size: 4 KB offset, size, checksum root : 8192, 4096, 3824871989 (0xe3faea35) alloc: 12288, 4096, 4074814944 (0xf2e0bde0) discard : 0, 0, 0 (0) available : 0, 0, 0 (0) WiredTigerCheckpoint.34: wt list -c WiredTigerCheckpoint.33:

Hardware 85

Hardware C++ Storage Cache 85

Percona

JUNE 26, 2023

So we need to check whether this base / 16384 / 16391 file is available in / base location. Percona Distribution for PostgreSQL provides the best and most critical enterprise components from the open-source community in a single distribution, designed and tested to work together.

Hardware 74

Hardware C++ Database Open Source 74

Percona

DECEMBER 19, 2023

PG_TDE (PostgreSQL Transparent Data Encryption) is an experimental transparent data encryption access method for PostgreSQL 16, available on GitHub as an extension for vanilla PostgreSQL. deb package, or as source code on github. Download Percona Distribution for PostgreSQL Today!

Open Source 80

Open Source Storage Database C++ 80

Percona

DECEMBER 29, 2023

Unrestricted connection settings: Leaving connection settings, such as max_connections and per-user limits, wide open exposes the system to malicious Denial-of-Service (DoS) attacks. These attacks can rapidly consume available connections, leaving legitimate users unable to connect and disrupting system functionality.

Servers 78

Servers Database C++ Airlines 78

Testsigma

APRIL 28, 2021

million apps available for download There are 2.87 million apps available for download on the Google Play Store 21% of Millennials open an app 50+ times per day. We understand that Selendroid and Appium are open-source automation tools. It is open-source, hence free to use.

Mobile 69

Mobile Testing Open Source Java 69

Percona

AUGUST 2, 2023

while true; do if [ -f /proc/<RESTORE_PID>/io ] then bytes_progress=$(cat /proc/<RESTORE_PID>/io | awk '/^rchar/ {print $2}') bytes_total=$(cat <BACKUP_FILE> | wc -c) progress=$(awk "BEGIN {printf "%.2f", Consider we have a logical backup of a single table available taken using mysqldump in the backup.sql file. -rw-r--r--.

Database 81

Database Monitoring C++ Speed 81

Percona

MARCH 27, 2023

limit(1) { "op" : "c", "ns" : "london.$cmd", Why go with a manual process when PBM is open source, does not require any license, and can handle it automatically? We also recommend checking out our blog MongoDB: Why Pay for Enterprise When Open Source Has You Covered? rs.metadata.json -rw-r--r-- 1 root root 1.1K

Games 92

Games Database Open Source C++ 92

Percona

AUGUST 29, 2023

Data redundancy, a database version of a RAID Pondering the case of high availability and redundancy, one replicates data by creating a replica via streaming replication. Now let’s stretch our imagination and consider a second method of high availability, ala Citus. Much of what I will show you makes heavy use of them.

C++ 78

C++ Database Storage Testing 78

Enprowess

MAY 24, 2022

Both are open-sourced frameworks using JavaScript. ReactJS is an open-source JavaScript library. React Native is an open-source JavaScript framework. Most of the code available in React Native is JavaScript, making it easy for front-end developers to develop an application quickly. What is React?

Mobile 52

Mobile Open Source Virtualization Speed 52

HammerDB

NOVEMBER 30, 2018

HammerDB is open source and all of the source code is available at the sourceforge Git development site here [link] or the github mirror here [link]. In fact all of this source code is also included in readable form with each and every release. These bin and lib directories are not included with the source code.

Architecture 40

Architecture Virtualization Open Source C++ 40

The Netflix TechBlog

JUNE 25, 2021

In this blog post, we are thrilled to share that we are open-sourcing one such tool: the Netflix Data Explorer. Dynomite is a high-speed in-memory database, providing highly available cross datacenter replication while preserving Redis-like semantics. Users can opt-in to retrieve these fields with their choice of encoding.

Metrics 152

Metrics Best Practices Strategy Design 152

Percona

AUGUST 30, 2023

In this blog, I am trying to list the options available for users and list them in increasing order of priority. For example, the high availability solution Patroni passes some of the most critical parameters as a command line argument. psql "host=localhost user=postgres options='-c synchronous_commit=off'" psql (14.8)

Database 98

Database Servers Open Source Tuning 98

Percona

OCTOBER 17, 2023

available only for Atlas users) , that can not be modified anymore; That change was then introduced to 7.0. Let’s assume you are catching up with the releases and want to be at the latest release available, and then you upgraded from 4.4.x Download Percona Distribution for MongoDB Today! After the rapid release 6.2

Metrics 97

Metrics C++ Storage Database 97

Percona

SEPTEMBER 27, 2023

PostgreSQL Partition Manager — ‘pg_partman’ — is an open source extension freely available, widely supported, and actively maintained by the PostgreSQL community. Download Percona Distribution for PostgreSQL Today!

Storage 97

Storage Open Source Database Efficiency 97

Percona

FEBRUARY 23, 2023

join('n')") $ for i in $mycolls; do mongoexport -d $mydb -c $i |zstd| s3cmd put - s3://mbackups/$ts/$mydb/$i.json.zst; done 2023-02-07T19:30:37.163+0100 connected to: mongodb://localhost/ 2023-02-07T19:30:38.164+0100 [#######.] Download Percona Distribution for MongoDB today! ts=$(date +%Y-%m-%d.%H-%M) eu-central-2.wasabisys.com"}})

AWS 118

AWS Storage Database Open Source 118

Percona

MAY 2, 2023

Also, we will take a look at our open-source backup utility custom-built to help avoid costs and proprietary software – Percona Backup for MongoDB or PBM. Hence, the node would still be available for other operations. Caveat: Good as long as you have the additional resources available for running the parallel threads.

Best Practices 52

Best Practices Database Storage Servers 52

The Netflix TechBlog

JANUARY 24, 2022

Regressive build is above alert threshold Subsequent build is easily below alert threshold c) Performance tests against PRs, which had been almost constantly red (because the probability of at least one static threshold being breached was always high), are now mostly green. Their utility extends well beyond performance analysis.

Performance 199

Performance Metrics Performance Testing Testing 199

Smashing Magazine

AUGUST 22, 2021

This in turn affects how fast a page’s resources can be downloaded. Additionally, even if we knew the available physical bandwidth, that wouldn’t mean we could use all of it ourselves. Several users are typically active on a network concurrently, each of whom need a fair share of the available bandwidth. Did You Know?

Performance 106

Performance Network Latency Servers 106

Smashing Magazine

JUNE 1, 2022

The most popular, by far, is the Google Lighthouse report (available in Chrome Developer Tools) and Google’s Page Speed Insights. Some tools that can be helpful in evaluating the impact of third-party resource requests are what you might describe as auditing tools. Other blocking effects. Cascading StyleSheets.

Website 132

Website Design Network Best Practices 132

KeyCDN

JUNE 25, 2020

Vim was made available in 1991 and is a free, open source software. Available both as a command line interface and as a standalone program with a GUI, Vim is a text editor that is a modal version of the vi editor created for Unix in the 1970s; Vim stands for vi improved.

Games 125

Games Open Source Availability C++ 125

Smashing Magazine

FEBRUARY 8, 2022

At first, utilities for these tasks were available in the console, but not in the browser. These two packages both use the same Package C — but different versions. It turns out that suddenly a double of Package C appears in your bundle. Statoscope is a fully open-source project, so I welcome issues and pull requests.

Storage 80

Storage Code Metrics C++ 80

Smashing Magazine

SEPTEMBER 6, 2021

To be able to download multiple files on a single connection, you need to somehow multiplex them. Badly implemented HTTP/2 stacks can cause high priority resources (the bottom two) to be delayed behind other, low priority downloads (all the rest). Image source: Andy Davies ) ( Large preview ). Prioritization. Implementation.

Network 106

Network Servers Cache Traffic 106

Scalegrid

JULY 13, 2020

The unstoppable rise of open source databases. One database in particular is causing a huge dent in Oracle’s market share – open source PostgreSQL. See how open source PostgreSQL Community version costs compare to Oracle Standard Edition and Oracle Enterprise Edition. What’s causing this massive shift?

Open Source 244

Open Source Tuning C++ Database 244

Alex Russell

JUNE 20, 2020

3] Oh, and it should be imperatively programmed with Lisp-in-C's-clothing. This matters because it is the corpus of attractive content uniquely available through a meta-platform that convinces users to adopt its runtime, and no platform developer can afford to build enough content to be compelling on their own. high-color image raster.

Hardware 55

Hardware Games Java Media 55

Percona

NOVEMBER 3, 2023

Rather than listing the concepts, function calls, etc, available in Citus, which frankly is a bit boring, I’m going to explore scaling out a database system starting with a single host. And now, execute the benchmark: -- execute the following on the coordinator node pgbench -c 20 -j 3 -T 60 -P 3 pgbench The results are not pretty.

Database 102

Database Benchmarking Latency C++ 102

Smashing Magazine

JUNE 2, 2021

The project consisted of upgrading the shop software to our own open-source system and redoing the shop’s front end from scratch. This has the nice effect of making them directly available to the browser when the document loads, but obviously the browser cannot cache them for the whole website. Legacy Support.

Performance 117

Performance Cache Website Mobile 117